Home / 370,331.10-555,496.65-326,007.90

Finding the Fourth Proportional to 370,331.10, 555,496.65 and 326,007.90

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Solution

The fourth proportional to 370,331.10, 555,496.65 and 326,007.90 is: 489,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,331.10 : 555,496.65 = 326,007.90 : x
  2. Step 2: Convert to fraction form
    370,331.10/555,496.65 = 326,007.90/x
  3. Step 3: Cross multiply
    370,331.10x = 555,496.65 × 326,007.90
  4. Step 4: Simplify right side
    370,331.10x = 181,096,296,323.54
  5. Step 5: Solve for x
    x = 181,096,296,323.54/370,331.10
  6. Step 6: Final answer
    x = 489,011.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.